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BBUNL group is also engaged in the manufacture of Electrical Multiple Unit (EMU) Passenger Coaches. The group has an annual production capacity of 90 EMU's including Motor Coaches. During the last fifteen years, the group companies have supplied over 750 DC EMU's for Western and Central Sector of Indian Railways of which about one-third were Motor Coaches. The range of manufacture also includes AC EMU's to Eastern Railways.
The EMU Coaches produced by BBUNL group is of modern design and are operated at 1500 Volts DC or 25 kV AC Overhead Nominal Voltage. The Coach bogies are of proven design for operation at 100 KMPH. There are four Traction Motor per Coach for smooth operation.
The DC and AC EMU Coaches are of semi-integral design with corrosion resistant carbon steel construction (Corten Steel). The Coach Underframe is manufactured from Rolled as well as Pressed Steel Sections. The bogies are fabricated steel construction with Coil Springs for Primary and Secondary suspension.
The Traction Motors for both DC and AC EMU are DC Series Motor Type with Rheostatic Control for DC EMU and Transformer Secondary Tap Changing Control for AC EMU.
The power supply for DC EMU is 1500 Volts and for AC EMU it is 25 kV, 50 Hz AC. The power collection is through Roof Mounted Light Weight Pantograph. Electro-pneumatic Braking System is provided for both DC and AC EMU Coaches.
| Description |
Specification |
| Track
Gauge |
1676 mm |
| Length over Bodyend
Panels |
20739 mm |
| Distance between Bogie
Centres |
14630 mm |
| Bogie Wheel
Base |
2896 mm |
| Max. Load per
Axle: |
| Motor
Coach |
20 te |
| Trailer
Coach |
16 te |
| Width Over Bodyside
Panels |
3658 mm |
| Height of Centre of Roof from Rail
Level |
3810 mm |
| Max. Service
Speed |
105 Kmph |
| Wheel
Dia. On Tread |
952 mm |
| Brake
System |
Electro Pneumatic |
| Min. Radius of
Curvature |
152.4 m |
| Coupler
Type |
C.B.C Centre Buffer Coupler |
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